74F175SJX

Flip Flops Overview

The MM74F175SJX is a discontinued quad D-type flip-flop from onsemi's 74F logic series, housed in a 16-SOIC surface-mount package. It features positive-edge triggering and includes a master reset function. The device operates with a supply voltage range of 4.5V to 5.5V and supports an operating temperature range of 0°C to 70°C. Key electrical specifications include a maximum propagation delay of 8.5ns at 5V with 50pF load, a clock frequency of 140 MHz, and output currents of 1mA (high) and 20mA (low). Static current consumption is specified at 34 mA.

Flip Flops Feature Summary

• Contains four independent D-type flip-flops within a single integrated circuit
• Utilizes positive-edge triggering mechanism for data capture
• Integrates a dedicated master reset input for synchronous initialization
• Provides differential outputs for signal integrity

Flip Flops Applications

• High-speed digital data storage and buffering circuits
• Shift register implementations requiring rapid clock frequencies
• Parallel-to-serial conversion modules in communication interfaces
• State machine logic elements in industrial control systems

Flip Flops Procurement Notes

This component is officially listed as obsolete and no longer manufactured by onsemi. Procurement must rely exclusively on the secondary market or surplus distributors. Verify authenticity through authorized channels due to potential counterfeits of legacy parts. Confirm lot dates and physical condition prior to acquisition, as availability varies significantly across suppliers. No new production units exist.

Flip Flops Selection Notes

Select this part only if design requirements align strictly with the 74F logic family characteristics, specifically the 4.5V to 5.5V supply range and 140 MHz speed capability. Consider that the 74F series consumes higher static power compared to HC or VHC variants. Ensure the application can accommodate the 0°C to 70°C operating temperature range. Evaluate alternative pin-compatible devices from other manufacturers if long-term supply stability is critical.

Flip Flops Part Context

The 74F175 belongs to the fast 74F series of logic ICs, known for high-speed performance but higher power consumption than standard TTL or CMOS equivalents. This specific variant integrates four D-type flip-flops with a common clock and master reset, providing a compact solution for sequential logic applications where speed is prioritized over power efficiency in mid-1990s era designs.

Flip Flops Replacement Considerations

Public confirmed substitute part numbers include SN74F175D and SN74F175DR from Texas Instruments. These are direct replacements offering identical logical functionality and pinout compatibility. Verify mechanical dimensions and electrical tolerances against original datasheets before integration.